package ooday01exercise;

public class People {
    String name;
    int age;
    String address;
    void eat(){
        System.out.println(name+"正在吃饭");
    }
    void sleep(){
        System.out.println(name+"已经睡着了");
    }
    void sayHi(){
        System.out.println("大家好，我叫"+name+"，今年"+age+"岁啦"+"家住"+address);
    }
}
